alert smtp any any -> [$HOME_NET,$SMTP_SERVERS] any (msg:"ET EXPLOIT Possible Zimbra Arbitrary File Upload (CVE-2022-30333) M2"; flow:established,to_server; file.data; content:"Rar!|1a 07|"; startswith; content:"|5c|jetty"; within:300; content:"|5c|webapps|5c|zimbra|5c|public"; within:50; fast_pattern; reference:url,blog.sonarsource.com/zimbra-pre-auth-rce-via-unrar-0day/; reference:cve,2022-30333; classtype:attempted-admin; sid:2039150; rev:1; metadata:attack_target SMTP_Server, created_at 2022_10_11, cve CVE_2022_30333, deployment Perimeter, deployment Internal, confidence Low, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_11;)